Respuesta :

Answer:

13.2

Step-by-step explanation:

12.8+0.4=13.2

because 0.8 +0.4=1.2 so drag the one to 12 so 12 +1 = 13.2

Answer:

13.2

Step-by-step explanation:

12.8

+

0.4

________

13.2

Hope u have a great day/night!